Re: identifying each individual tuple locked
От | Jenny - |
---|---|
Тема | Re: identifying each individual tuple locked |
Дата | |
Msg-id | BAY1-F68rAXBirbThA900012f50@hotmail.com обсуждение исходный текст |
Ответ на | identifying each individual tuple locked ("Jenny -" <nat_lazy@hotmail.com>) |
Список | pgsql-general |
> > I understand that ObjID of LOCKtag recognizes each individual row locked >by > > a row level lock. BUt i have noticed that if i lock 2 different rows of >the > > same table they have the same blkno. is this deduction ok? > >If they happen to be stored in the same block, they'd have the same blkno >... then how would we recognize each individual row locked? >From: Tom Lane <tgl@sss.pgh.pa.us> >To: "Jenny -" <nat_lazy@hotmail.com> >CC: pgsql-general@postgresql.org, pgsql-hackers@postgresql.org >Subject: Re: [GENERAL] identifying each individual tuple locked Date: Tue, >02 Sep 2003 14:08:44 -0400 > >"Jenny -" <nat_lazy@hotmail.com> writes: > > I understand that ObjID of LOCKtag recognizes each individual row locked >by > > a row level lock. BUt i have noticed that if i lock 2 different rows of >the > > same table they have the same blkno. is this deduction ok? > >If they happen to be stored in the same block, they'd have the same blkno >... > > regards, tom lane > >---------------------------(end of broadcast)--------------------------- >TIP 2: you can get off all lists at once with the unregister command > (send "unregister YourEmailAddressHere" to majordomo@postgresql.org) _________________________________________________________________ MSN 8: Get 6 months for $9.95/month. http://join.msn.com/?page=dept/dialup
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